Euphorbia conferta

(Small) B. E. Smith

J. Elisha Mitchell Sci. Soc. 62: 82. 1946.

Common names: Everglade Key sandmat
Endemic
Basionym: Chamaesyce conferta Small Fl. S.E. U.S., 713, 1333. 1903
Treatment appears in FNA Volume 12. Treatment on page 264. Mentioned on page 252.

Herbs, annual, with taproot. Stems prostrate, ascending, to erect, 10–45 cm, pilose. Leaves opposite; stipules distinct, subulate, 1–2 mm, pilose; petiole 0.9–1.5 mm, pilose; blade oblanceolate to elliptic, 3–10 × 1–4 mm, base asymmetric, obtuse to hemicordate, margins coarsely serrate, sometimes revolute, apex rounded to acute, abaxial surface sparsely hispidulous to strigillose (densely so on young leaves), adaxial surface glabrous; 3-veined from base but only midvein conspicuous. Cyathia solitary at distal nodes (appearing clustered at points of new growth); peduncle 0.4–0.6 mm. Involucre campanulate, 1.1–1.4 × 0.5–0.7 mm, pilose; glands 4, red, narrowly reniform, 0.1 × 0.2–0.4 mm; appendages pink to red, larger 2 petallike, smaller 2 elliptic, 0.4–1 × 0.3–0.5 mm, distal margin erose. Staminate flowers 5–8. Pistillate flowers: ovary pilose; styles 0.4–0.8 mm, 2-fid at apex. Capsules conic or truncate-ovoid, 1–1.2 mm diam., pilose; columella 0.9–1.1 mm. Seeds orangebrown, glaucous, oblong, 4-angled in cross-section, 0.7–0.8 × 0.4–0.5 mm, slightly rugose and with 3–4 transverse ridges.


Phenology: Flowering and fruiting year-round.
Habitat: Sandy, disturbed, wet areas, often roadsides.
Elevation: 0–10 m.

Discussion

Euphorbia conferta is known only from Broward, Miami-Dade, and Monroe counties in southern Florida.

Selected References

None.

Lower Taxa

None.

"connate" is not a number. "distinct" is not a number."connate" is not a number. "distinct" is not a number.

... more about "Euphorbia conferta"
sparsely hispidulous +  and strigillose +
rounded;acute +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.1 cm1 mm <br />0.001 m <br />) +
petal-like +
smaller +  and larger +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
Victor W. Steinmann +, Jeffery J. Morawetz +, Paul E. Berry +, Jess A. Peirson +  and Ya Yang +
(Small) B. E. Smith +
Chamaesyce conferta +
0.3 cm3 mm <br />0.003 m <br /> (1 cm10 mm <br />0.01 m <br />) +
oblanceolate;elliptic +
0.1 cm1 mm <br />0.001 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
0.1 cm1 mm <br />0.001 m <br /> (0.12 cm1.2 mm <br />0.0012 m <br />) +
truncate-ovoid +  and conic +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.11 cm1.1 mm <br />0.0011 m <br />) +
Everglade Key sandmat +
0–10 m. +
pistillate +  and staminate +
subtending +
reniform +
0.2mm +  and 0.4mm +
Sandy, disturbed, wet areas, often roadsides. +
axillary +  and terminal +
0.11 cm1.1 mm <br />0.0011 m <br /> (0.14 cm1.4 mm <br />0.0014 m <br />) +
campanulate +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.07 cm0.7 mm <br />7.0e-4 m <br />) +
caducous +, deciduous +  and persistent +
bractlike +
palmate +  and pinnate +
toothed +  and entire +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (0.06 cm0.6 mm <br />6.0e-4 m <br />) +
connate;distinct +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
Flowering and fruiting year-round. +
J. Elisha Mitchell Sci. Soc. +
3 +  and 4 +
orangebrown +
4-angled +  and oblong +
free +, connate +  and distinct +
ascending +  and erect +
flattened +  and terete +
10 cm100 mm <br />0.1 m <br /> (45 cm450 mm <br />0.45 m <br />) +
interpetiolar +
0.1 cm1 mm <br />0.001 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
connate +  and distinct +
0.04 cm0.4 mm <br />4.0e-4 m <br /> (?) +  and 0.08 cm0.8 mm <br />8.0e-4 m <br /> (?) +
hairy +  and glabrous +
Chamaesyce +
Euphorbia conferta +
Euphorbia sect. Anisophyllum +
species +
axillary +  and terminal +
10 +, 9 +, 8 +, 7 +  and 6 +